Postgres TimeZone psycopg2

import psycopg2.extras

# del os.environ["PGTZ"]
# os.environ["PGTZ"]="UTC"
# os.environ["PGTZ"]="Europe/Moscow"
conn = psycopg2.connect(
    # host="postgres-corecms-slave.spb.play.dc",
    host="postgres-context-slave.spb.play.dc",
    port=5433,
    dbname="context",
    user="",
    password="",
    options="-c TimeZone=UTC"
    # cursor_factory=psycopg2.extras.DictCursor,
    # cursor_factory=psycopg2.extras.NamedTupleCursor,
)

cur = conn.cursor()
cur.execute("show timezone")
it = iter(cur)
print(next(it))